League of Militant Atheists

The League of Militant Atheists, also know as the Union of Belligerent Atheists, existed in the Soviet Union between 1925 and 1947. It was a drive to eradicate religion and replace it with 'Soviet power'. It hit the buffers when Comrade Stalin realised he was on a hiding to nothing with the eradication of religion.

You used to occasionally see stories about Japanese soldier stranded on Pacific islands that refused to surrender for decades after WWII was all done and dusted. Perhaps the Bideford Union of Belligerent Atheists (BUBA) fall into the same category?